blob: 5fa8b0c890e0dde67e6d85608a13c3178136dc35 [file] [log] [blame]
/*
* libjingle
* Copyright 2011, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <set>
#include <string>
#include <vector>
#include "talk/app/webrtc/jsepsessiondescription.h"
#include "talk/app/webrtc/webrtcsdp.h"
#include "talk/base/gunit.h"
#include "talk/base/logging.h"
#include "talk/base/messagedigest.h"
#include "talk/base/scoped_ptr.h"
#include "talk/base/sslfingerprint.h"
#include "talk/base/stringencode.h"
#include "talk/base/stringutils.h"
#include "talk/media/base/constants.h"
#include "talk/p2p/base/constants.h"
#include "talk/session/media/mediasession.h"
using cricket::AudioCodec;
using cricket::AudioContentDescription;
using cricket::Candidate;
using cricket::ContentInfo;
using cricket::CryptoParams;
using cricket::ContentGroup;
using cricket::DataCodec;
using cricket::DataContentDescription;
using cricket::ICE_CANDIDATE_COMPONENT_RTCP;
using cricket::ICE_CANDIDATE_COMPONENT_RTP;
using cricket::kFecSsrcGroupSemantics;
using cricket::LOCAL_PORT_TYPE;
using cricket::NS_JINGLE_DRAFT_SCTP;
using cricket::NS_JINGLE_ICE_UDP;
using cricket::NS_JINGLE_RTP;
using cricket::RtpHeaderExtension;
using cricket::RELAY_PORT_TYPE;
using cricket::SessionDescription;
using cricket::StreamParams;
using cricket::STUN_PORT_TYPE;
using cricket::TransportDescription;
using cricket::TransportInfo;
using cricket::VideoCodec;
using cricket::VideoContentDescription;
using webrtc::IceCandidateCollection;
using webrtc::IceCandidateInterface;
using webrtc::JsepIceCandidate;
using webrtc::JsepSessionDescription;
using webrtc::SdpParseError;
using webrtc::SessionDescriptionInterface;
typedef std::vector<AudioCodec> AudioCodecs;
typedef std::vector<Candidate> Candidates;
static const char kSessionTime[] = "t=0 0\r\n";
static const uint32 kCandidatePriority = 2130706432U; // pref = 1.0
static const char kCandidateUfragVoice[] = "ufrag_voice";
static const char kCandidatePwdVoice[] = "pwd_voice";
static const char kAttributeIcePwdVoice[] = "a=ice-pwd:pwd_voice\r\n";
static const char kCandidateUfragVideo[] = "ufrag_video";
static const char kCandidatePwdVideo[] = "pwd_video";
static const char kCandidateUfragData[] = "ufrag_data";
static const char kCandidatePwdData[] = "pwd_data";
static const char kAttributeIcePwdVideo[] = "a=ice-pwd:pwd_video\r\n";
static const uint32 kCandidateGeneration = 2;
static const char kCandidateFoundation1[] = "a0+B/1";
static const char kCandidateFoundation2[] = "a0+B/2";
static const char kCandidateFoundation3[] = "a0+B/3";
static const char kCandidateFoundation4[] = "a0+B/4";
static const char kAttributeCryptoVoice[] =
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n";
static const char kAttributeCryptoVideo[] =
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n";
static const char kFingerprint[] = "a=fingerprint:sha-1 "
"4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB\r\n";
static const int kExtmapId = 1;
static const char kExtmapUri[] = "http://example.com/082005/ext.htm#ttime";
static const char kExtmap[] =
"a=extmap:1 http://example.com/082005/ext.htm#ttime\r\n";
static const char kExtmapWithDirectionAndAttribute[] =
"a=extmap:1/sendrecv http://example.com/082005/ext.htm#ttime a1 a2\r\n";
static const uint8 kIdentityDigest[] = {0x4A, 0xAD, 0xB9, 0xB1,
0x3F, 0x82, 0x18, 0x3B,
0x54, 0x02, 0x12, 0xDF,
0x3E, 0x5D, 0x49, 0x6B,
0x19, 0xE5, 0x7C, 0xAB};
struct CodecParams {
int max_ptime;
int ptime;
int min_ptime;
int sprop_stereo;
int stereo;
int useinband;
int maxaveragebitrate;
};
// Reference sdp string
static const char kSdpFullString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS local_stream_1 local_stream_2\r\n"
"m=audio 2345 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 74.125.127.126\r\n"
"a=rtcp:2347 IN IP4 74.125.127.126\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n"
"a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
"generation 2\r\n"
"a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
"raddr 192.168.1.5 rport 2346 "
"generation 2\r\n"
"a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
"raddr 192.168.1.5 rport 2348 "
"generation 2\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=mid:audio_content_name\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 CELT/32000/2\r\n"
"a=ssrc:1 cname:stream_1_cname\r\n"
"a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
"a=ssrc:1 mslabel:local_stream_1\r\n"
"a=ssrc:1 label:audio_track_id_1\r\n"
"a=ssrc:4 cname:stream_2_cname\r\n"
"a=ssrc:4 msid:local_stream_2 audio_track_id_2\r\n"
"a=ssrc:4 mslabel:local_stream_2\r\n"
"a=ssrc:4 label:audio_track_id_2\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"c=IN IP4 74.125.224.39\r\n"
"a=rtcp:3456 IN IP4 74.125.224.39\r\n"
"a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1236 typ host "
"generation 2\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1237 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 2 udp 2130706432 ::1 1240 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1241 typ host "
"generation 2\r\n"
"a=candidate:a0+B/4 2 udp 2130706432 74.125.224.39 3456 typ relay "
"generation 2\r\n"
"a=candidate:a0+B/4 1 udp 2130706432 74.125.224.39 3457 typ relay "
"generation 2\r\n"
"a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
"a=mid:video_content_name\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=ssrc:2 cname:stream_1_cname\r\n"
"a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
"a=ssrc:2 mslabel:local_stream_1\r\n"
"a=ssrc:2 label:video_track_id_1\r\n"
"a=ssrc:3 cname:stream_1_cname\r\n"
"a=ssrc:3 msid:local_stream_1 video_track_id_2\r\n"
"a=ssrc:3 mslabel:local_stream_1\r\n"
"a=ssrc:3 label:video_track_id_2\r\n"
"a=ssrc-group:FEC 5 6\r\n"
"a=ssrc:5 cname:stream_2_cname\r\n"
"a=ssrc:5 msid:local_stream_2 video_track_id_3\r\n"
"a=ssrc:5 mslabel:local_stream_2\r\n"
"a=ssrc:5 label:video_track_id_3\r\n"
"a=ssrc:6 cname:stream_2_cname\r\n"
"a=ssrc:6 msid:local_stream_2 video_track_id_3\r\n"
"a=ssrc:6 mslabel:local_stream_2\r\n"
"a=ssrc:6 label:video_track_id_3\r\n";
// SDP reference string without the candidates.
static const char kSdpString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS local_stream_1 local_stream_2\r\n"
"m=audio 1 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:1 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=mid:audio_content_name\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 CELT/32000/2\r\n"
"a=ssrc:1 cname:stream_1_cname\r\n"
"a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
"a=ssrc:1 mslabel:local_stream_1\r\n"
"a=ssrc:1 label:audio_track_id_1\r\n"
"a=ssrc:4 cname:stream_2_cname\r\n"
"a=ssrc:4 msid:local_stream_2 audio_track_id_2\r\n"
"a=ssrc:4 mslabel:local_stream_2\r\n"
"a=ssrc:4 label:audio_track_id_2\r\n"
"m=video 1 RTP/SAVPF 120\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:1 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
"a=mid:video_content_name\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=ssrc:2 cname:stream_1_cname\r\n"
"a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
"a=ssrc:2 mslabel:local_stream_1\r\n"
"a=ssrc:2 label:video_track_id_1\r\n"
"a=ssrc:3 cname:stream_1_cname\r\n"
"a=ssrc:3 msid:local_stream_1 video_track_id_2\r\n"
"a=ssrc:3 mslabel:local_stream_1\r\n"
"a=ssrc:3 label:video_track_id_2\r\n"
"a=ssrc-group:FEC 5 6\r\n"
"a=ssrc:5 cname:stream_2_cname\r\n"
"a=ssrc:5 msid:local_stream_2 video_track_id_3\r\n"
"a=ssrc:5 mslabel:local_stream_2\r\n"
"a=ssrc:5 label:video_track_id_3\r\n"
"a=ssrc:6 cname:stream_2_cname\r\n"
"a=ssrc:6 msid:local_stream_2 video_track_id_3\r\n"
"a=ssrc:6 mslabel:local_stream_2\r\n"
"a=ssrc:6 label:video_track_id_3\r\n";
static const char kSdpRtpDataChannelString[] =
"m=application 1 RTP/SAVPF 101\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:1 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:FvLcvU2P3ZWmQxgPAgcDu7Zl9vftYElFOjEzhWs5\r\n"
"a=rtpmap:101 google-data/90000\r\n"
"a=ssrc:10 cname:data_channel_cname\r\n"
"a=ssrc:10 msid:data_channel data_channeld0\r\n"
"a=ssrc:10 mslabel:data_channel\r\n"
"a=ssrc:10 label:data_channeld0\r\n";
static const char kSdpSctpDataChannelString[] =
"m=application 1 DTLS/SCTP 5000\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n"
"a=fmtp:5000 protocol=webrtc-datachannel; streams=10\r\n";
static const char kSdpSctpDataChannelWithCandidatesString[] =
"m=application 2345 DTLS/SCTP 5000\r\n"
"c=IN IP4 74.125.127.126\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
"generation 2\r\n"
"a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
"raddr 192.168.1.5 rport 2346 "
"generation 2\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n"
"a=fmtp:5000 protocol=webrtc-datachannel; streams=10\r\n";
// One candidate reference string as per W3c spec.
// candidate:<blah> not a=candidate:<blah>CRLF
static const char kRawCandidate[] =
"candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host generation 2";
// One candidate reference string.
static const char kSdpOneCandidate[] =
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n";
// One candidate reference string.
static const char kSdpOneCandidateOldFormat[] =
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host network_name"
" eth0 username user_rtp password password_rtp generation 2\r\n";
// Session id and version
static const char kSessionId[] = "18446744069414584320";
static const char kSessionVersion[] = "18446462598732840960";
// Ice options
static const char kIceOption1[] = "iceoption1";
static const char kIceOption2[] = "iceoption2";
static const char kIceOption3[] = "iceoption3";
// Content name
static const char kAudioContentName[] = "audio_content_name";
static const char kVideoContentName[] = "video_content_name";
static const char kDataContentName[] = "data_content_name";
// MediaStream 1
static const char kStreamLabel1[] = "local_stream_1";
static const char kStream1Cname[] = "stream_1_cname";
static const char kAudioTrackId1[] = "audio_track_id_1";
static const uint32 kAudioTrack1Ssrc = 1;
static const char kVideoTrackId1[] = "video_track_id_1";
static const uint32 kVideoTrack1Ssrc = 2;
static const char kVideoTrackId2[] = "video_track_id_2";
static const uint32 kVideoTrack2Ssrc = 3;
// MediaStream 2
static const char kStreamLabel2[] = "local_stream_2";
static const char kStream2Cname[] = "stream_2_cname";
static const char kAudioTrackId2[] = "audio_track_id_2";
static const uint32 kAudioTrack2Ssrc = 4;
static const char kVideoTrackId3[] = "video_track_id_3";
static const uint32 kVideoTrack3Ssrc = 5;
static const uint32 kVideoTrack4Ssrc = 6;
// DataChannel
static const char kDataChannelLabel[] = "data_channel";
static const char kDataChannelMsid[] = "data_channeld0";
static const char kDataChannelCname[] = "data_channel_cname";
static const uint32 kDataChannelSsrc = 10;
// Candidate
static const char kDummyMid[] = "dummy_mid";
static const int kDummyIndex = 123;
// Misc
static const char kDummyString[] = "dummy";
// Helper functions
static bool SdpDeserialize(const std::string& message,
JsepSessionDescription* jdesc) {
return webrtc::SdpDeserialize(message, jdesc, NULL);
}
static bool SdpDeserializeCandidate(const std::string& message,
JsepIceCandidate* candidate) {
return webrtc::SdpDeserializeCandidate(message, candidate, NULL);
}
// Add some extra |newlines| to the |message| after |line|.
static void InjectAfter(const std::string& line,
const std::string& newlines,
std::string* message) {
const std::string tmp = line + newlines;
talk_base::replace_substrs(line.c_str(), line.length(),
tmp.c_str(), tmp.length(), message);
}
static void Replace(const std::string& line,
const std::string& newlines,
std::string* message) {
talk_base::replace_substrs(line.c_str(), line.length(),
newlines.c_str(), newlines.length(), message);
}
static void ReplaceAndTryToParse(const char* search, const char* replace) {
JsepSessionDescription desc(kDummyString);
std::string sdp = kSdpFullString;
Replace(search, replace, &sdp);
SdpParseError error;
bool ret = webrtc::SdpDeserialize(sdp, &desc, &error);
EXPECT_FALSE(ret);
EXPECT_NE(std::string::npos, error.line.find(replace));
}
static void ReplaceDirection(cricket::MediaContentDirection direction,
std::string* message) {
std::string new_direction;
switch (direction) {
case cricket::MD_INACTIVE:
new_direction = "a=inactive";
break;
case cricket::MD_SENDONLY:
new_direction = "a=sendonly";
break;
case cricket::MD_RECVONLY:
new_direction = "a=recvonly";
break;
case cricket::MD_SENDRECV:
default:
new_direction = "a=sendrecv";
break;
}
Replace("a=sendrecv", new_direction, message);
}
static void ReplaceRejected(bool audio_rejected, bool video_rejected,
std::string* message) {
if (audio_rejected) {
Replace("m=audio 2345", "m=audio 0", message);
}
if (video_rejected) {
Replace("m=video 3457", "m=video 0", message);
}
}
// WebRtcSdpTest
class WebRtcSdpTest : public testing::Test {
public:
WebRtcSdpTest()
: jdesc_(kDummyString) {
// AudioContentDescription
audio_desc_ = CreateAudioContentDescription();
AudioCodec opus(111, "opus", 48000, 0, 2, 3);
audio_desc_->AddCodec(opus);
audio_desc_->AddCodec(AudioCodec(103, "ISAC", 16000, 32000, 1, 2));
audio_desc_->AddCodec(AudioCodec(104, "CELT", 32000, 0, 2, 1));
desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_desc_);
// VideoContentDescription
talk_base::scoped_ptr<VideoContentDescription> video(
new VideoContentDescription());
video_desc_ = video.get();
StreamParams video_stream1;
video_stream1.id = kVideoTrackId1;
video_stream1.cname = kStream1Cname;
video_stream1.sync_label = kStreamLabel1;
video_stream1.ssrcs.push_back(kVideoTrack1Ssrc);
video->AddStream(video_stream1);
StreamParams video_stream2;
video_stream2.id = kVideoTrackId2;
video_stream2.cname = kStream1Cname;
video_stream2.sync_label = kStreamLabel1;
video_stream2.ssrcs.push_back(kVideoTrack2Ssrc);
video->AddStream(video_stream2);
StreamParams video_stream3;
video_stream3.id = kVideoTrackId3;
video_stream3.cname = kStream2Cname;
video_stream3.sync_label = kStreamLabel2;
video_stream3.ssrcs.push_back(kVideoTrack3Ssrc);
video_stream3.ssrcs.push_back(kVideoTrack4Ssrc);
cricket::SsrcGroup ssrc_group(kFecSsrcGroupSemantics, video_stream3.ssrcs);
video_stream3.ssrc_groups.push_back(ssrc_group);
video->AddStream(video_stream3);
video->AddCrypto(CryptoParams(1, "AES_CM_128_HMAC_SHA1_80",
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32", ""));
video->set_protocol(cricket::kMediaProtocolSavpf);
video->AddCodec(VideoCodec(
120,
JsepSessionDescription::kDefaultVideoCodecName,
JsepSessionDescription::kMaxVideoCodecWidth,
JsepSessionDescription::kMaxVideoCodecHeight,
JsepSessionDescription::kDefaultVideoCodecFramerate,
JsepSessionDescription::kDefaultVideoCodecPreference));
desc_.AddContent(kVideoContentName, NS_JINGLE_RTP,
video.release());
// TransportInfo
EXPECT_TRUE(desc_.AddTransportInfo(
TransportInfo(kAudioContentName,
TransportDescription(NS_JINGLE_ICE_UDP,
kCandidateUfragVoice,
kCandidatePwdVoice))));
EXPECT_TRUE(desc_.AddTransportInfo(
TransportInfo(kVideoContentName,
TransportDescription(NS_JINGLE_ICE_UDP,
kCandidateUfragVideo,
kCandidatePwdVideo))));
// v4 host
int port = 1234;
talk_base::SocketAddress address("192.168.1.5", port++);
Candidate candidate1(
"", ICE_CANDIDATE_COMPONENT_RTP, "udp", address, kCandidatePriority,
"", "", LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation1);
address.SetPort(port++);
Candidate candidate2(
"", ICE_CANDIDATE_COMPONENT_RTCP, "udp", address, kCandidatePriority,
"", "", LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation1);
address.SetPort(port++);
Candidate candidate3(
"", ICE_CANDIDATE_COMPONENT_RTCP, "udp", address, kCandidatePriority,
"", "", LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation1);
address.SetPort(port++);
Candidate candidate4(
"", ICE_CANDIDATE_COMPONENT_RTP, "udp", address, kCandidatePriority,
"", "", LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation1);
// v6 host
talk_base::SocketAddress v6_address("::1", port++);
cricket::Candidate candidate5(
"", cricket::ICE_CANDIDATE_COMPONENT_RTP,
"udp", v6_address, kCandidatePriority,
"", "", cricket::LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation2);
v6_address.SetPort(port++);
cricket::Candidate candidate6(
"", cricket::ICE_CANDIDATE_COMPONENT_RTCP,
"udp", v6_address, kCandidatePriority,
"", "", cricket::LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation2);
v6_address.SetPort(port++);
cricket::Candidate candidate7(
"", cricket::ICE_CANDIDATE_COMPONENT_RTCP,
"udp", v6_address, kCandidatePriority,
"", "", cricket::LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation2);
v6_address.SetPort(port++);
cricket::Candidate candidate8(
"", cricket::ICE_CANDIDATE_COMPONENT_RTP,
"udp", v6_address, kCandidatePriority,
"", "", cricket::LOCAL_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation2);
// stun
int port_stun = 2345;
talk_base::SocketAddress address_stun("74.125.127.126", port_stun++);
talk_base::SocketAddress rel_address_stun("192.168.1.5", port_stun++);
cricket::Candidate candidate9
("", cricket::ICE_CANDIDATE_COMPONENT_RTP,
"udp", address_stun, kCandidatePriority,
"", "", STUN_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation3);
candidate9.set_related_address(rel_address_stun);
address_stun.SetPort(port_stun++);
rel_address_stun.SetPort(port_stun++);
cricket::Candidate candidate10(
"", cricket::ICE_CANDIDATE_COMPONENT_RTCP,
"udp", address_stun, kCandidatePriority,
"", "", STUN_PORT_TYPE,
"", kCandidateGeneration, kCandidateFoundation3);
candidate10.set_related_address(rel_address_stun);
// relay
int port_relay = 3456;
talk_base::SocketAddress address_relay("74.125.224.39", port_relay++);
cricket::Candidate candidate11(
"", cricket::ICE_CANDIDATE_COMPONENT_RTCP,
"udp", address_relay, kCandidatePriority,
"", "",
cricket::RELAY_PORT_TYPE, "",
kCandidateGeneration, kCandidateFoundation4);
address_relay.SetPort(port_relay++);
cricket::Candidate candidate12(
"", cricket::ICE_CANDIDATE_COMPONENT_RTP,
"udp", address_relay, kCandidatePriority,
"", "",
RELAY_PORT_TYPE, "",
kCandidateGeneration, kCandidateFoundation4);
// voice
candidates_.push_back(candidate1);
candidates_.push_back(candidate2);
candidates_.push_back(candidate5);
candidates_.push_back(candidate6);
candidates_.push_back(candidate9);
candidates_.push_back(candidate10);
// video
candidates_.push_back(candidate3);
candidates_.push_back(candidate4);
candidates_.push_back(candidate7);
candidates_.push_back(candidate8);
candidates_.push_back(candidate11);
candidates_.push_back(candidate12);
jcandidate_.reset(new JsepIceCandidate(std::string("audio_content_name"),
0, candidate1));
// Set up JsepSessionDescription.
jdesc_.Initialize(desc_.Copy(), kSessionId, kSessionVersion);
std::string mline_id;
int mline_index = 0;
for (size_t i = 0; i< candidates_.size(); ++i) {
// In this test, the audio m line index will be 0, and the video m line
// will be 1.
bool is_video = (i > 5);
mline_id = is_video ? "video_content_name" : "audio_content_name";
mline_index = is_video ? 1 : 0;
JsepIceCandidate jice(mline_id,
mline_index,
candidates_.at(i));
jdesc_.AddCandidate(&jice);
}
}
AudioContentDescription* CreateAudioContentDescription() {
AudioContentDescription* audio = new AudioContentDescription();
audio->set_rtcp_mux(true);
StreamParams audio_stream1;
audio_stream1.id = kAudioTrackId1;
audio_stream1.cname = kStream1Cname;
audio_stream1.sync_label = kStreamLabel1;
audio_stream1.ssrcs.push_back(kAudioTrack1Ssrc);
audio->AddStream(audio_stream1);
StreamParams audio_stream2;
audio_stream2.id = kAudioTrackId2;
audio_stream2.cname = kStream2Cname;
audio_stream2.sync_label = kStreamLabel2;
audio_stream2.ssrcs.push_back(kAudioTrack2Ssrc);
audio->AddStream(audio_stream2);
audio->AddCrypto(CryptoParams(1, "AES_CM_128_HMAC_SHA1_32",
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32",
"dummy_session_params"));
audio->set_protocol(cricket::kMediaProtocolSavpf);
return audio;
}
template <class MCD>
void CompareMediaContentDescription(const MCD* cd1,
const MCD* cd2) {
// type
EXPECT_EQ(cd1->type(), cd1->type());
// content direction
EXPECT_EQ(cd1->direction(), cd2->direction());
// rtcp_mux
EXPECT_EQ(cd1->rtcp_mux(), cd2->rtcp_mux());
// cryptos
EXPECT_EQ(cd1->cryptos().size(), cd2->cryptos().size());
if (cd1->cryptos().size() != cd2->cryptos().size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0; i< cd1->cryptos().size(); ++i) {
const CryptoParams c1 = cd1->cryptos().at(i);
const CryptoParams c2 = cd2->cryptos().at(i);
EXPECT_TRUE(c1.Matches(c2));
EXPECT_EQ(c1.key_params, c2.key_params);
EXPECT_EQ(c1.session_params, c2.session_params);
}
// protocol
EXPECT_EQ(cd1->protocol(), cd2->protocol());
// codecs
EXPECT_EQ(cd1->codecs(), cd2->codecs());
// bandwidth
EXPECT_EQ(cd1->bandwidth(), cd2->bandwidth());
// streams
EXPECT_EQ(cd1->streams(), cd2->streams());
// extmap
ASSERT_EQ(cd1->rtp_header_extensions().size(),
cd2->rtp_header_extensions().size());
for (size_t i = 0; i< cd1->rtp_header_extensions().size(); ++i) {
const RtpHeaderExtension ext1 = cd1->rtp_header_extensions().at(i);
const RtpHeaderExtension ext2 = cd2->rtp_header_extensions().at(i);
EXPECT_EQ(ext1.uri, ext2.uri);
EXPECT_EQ(ext1.id, ext2.id);
}
// buffered mode latency
EXPECT_EQ(cd1->buffered_mode_latency(), cd2->buffered_mode_latency());
}
void CompareSessionDescription(const SessionDescription& desc1,
const SessionDescription& desc2) {
// Compare content descriptions.
if (desc1.contents().size() != desc2.contents().size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0 ; i < desc1.contents().size(); ++i) {
const cricket::ContentInfo& c1 = desc1.contents().at(i);
const cricket::ContentInfo& c2 = desc2.contents().at(i);
// content name
EXPECT_EQ(c1.name, c2.name);
// content type
// Note, ASSERT will return from the function, but will not stop the test.
ASSERT_EQ(c1.type, c2.type);
ASSERT_EQ(IsAudioContent(&c1), IsAudioContent(&c2));
if (IsAudioContent(&c1)) {
const AudioContentDescription* acd1 =
static_cast<const AudioContentDescription*>(c1.description);
const AudioContentDescription* acd2 =
static_cast<const AudioContentDescription*>(c2.description);
CompareMediaContentDescription<AudioContentDescription>(acd1, acd2);
}
ASSERT_EQ(IsVideoContent(&c1), IsVideoContent(&c2));
if (IsVideoContent(&c1)) {
const VideoContentDescription* vcd1 =
static_cast<const VideoContentDescription*>(c1.description);
const VideoContentDescription* vcd2 =
static_cast<const VideoContentDescription*>(c2.description);
CompareMediaContentDescription<VideoContentDescription>(vcd1, vcd2);
}
ASSERT_EQ(IsDataContent(&c1), IsDataContent(&c2));
if (IsDataContent(&c1)) {
const DataContentDescription* dcd1 =
static_cast<const DataContentDescription*>(c1.description);
const DataContentDescription* dcd2 =
static_cast<const DataContentDescription*>(c2.description);
CompareMediaContentDescription<DataContentDescription>(dcd1, dcd2);
}
}
// group
const cricket::ContentGroups groups1 = desc1.groups();
const cricket::ContentGroups groups2 = desc2.groups();
EXPECT_EQ(groups1.size(), groups1.size());
if (groups1.size() != groups2.size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0; i < groups1.size(); ++i) {
const cricket::ContentGroup group1 = groups1.at(i);
const cricket::ContentGroup group2 = groups2.at(i);
EXPECT_EQ(group1.semantics(), group2.semantics());
const cricket::ContentNames names1 = group1.content_names();
const cricket::ContentNames names2 = group2.content_names();
EXPECT_EQ(names1.size(), names2.size());
if (names1.size() != names2.size()) {
ADD_FAILURE();
return;
}
cricket::ContentNames::const_iterator iter1 = names1.begin();
cricket::ContentNames::const_iterator iter2 = names2.begin();
while (iter1 != names1.end()) {
EXPECT_EQ(*iter1++, *iter2++);
}
}
// transport info
const cricket::TransportInfos transports1 = desc1.transport_infos();
const cricket::TransportInfos transports2 = desc2.transport_infos();
EXPECT_EQ(transports1.size(), transports2.size());
if (transports1.size() != transports2.size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0; i < transports1.size(); ++i) {
const cricket::TransportInfo transport1 = transports1.at(i);
const cricket::TransportInfo transport2 = transports2.at(i);
EXPECT_EQ(transport1.content_name, transport2.content_name);
EXPECT_EQ(transport1.description.transport_type,
transport2.description.transport_type);
EXPECT_EQ(transport1.description.ice_ufrag,
transport2.description.ice_ufrag);
EXPECT_EQ(transport1.description.ice_pwd,
transport2.description.ice_pwd);
if (transport1.description.identity_fingerprint) {
EXPECT_EQ(*transport1.description.identity_fingerprint,
*transport2.description.identity_fingerprint);
} else {
EXPECT_EQ(transport1.description.identity_fingerprint.get(),
transport2.description.identity_fingerprint.get());
}
EXPECT_EQ(transport1.description.transport_options,
transport2.description.transport_options);
EXPECT_TRUE(CompareCandidates(transport1.description.candidates,
transport2.description.candidates));
}
}
bool CompareCandidates(const Candidates& cs1, const Candidates& cs2) {
EXPECT_EQ(cs1.size(), cs2.size());
if (cs1.size() != cs2.size())
return false;
for (size_t i = 0; i< cs1.size(); ++i) {
const Candidate c1 = cs1.at(i);
const Candidate c2 = cs2.at(i);
EXPECT_TRUE(c1.IsEquivalent(c2));
}
return true;
}
bool CompareSessionDescription(
const JsepSessionDescription& desc1,
const JsepSessionDescription& desc2) {
EXPECT_EQ(desc1.session_id(), desc2.session_id());
EXPECT_EQ(desc1.session_version(), desc2.session_version());
CompareSessionDescription(*desc1.description(), *desc2.description());
if (desc1.number_of_mediasections() != desc2.number_of_mediasections())
return false;
for (size_t i = 0; i < desc1.number_of_mediasections(); ++i) {
const IceCandidateCollection* cc1 = desc1.candidates(i);
const IceCandidateCollection* cc2 = desc2.candidates(i);
if (cc1->count() != cc2->count())
return false;
for (size_t j = 0; j < cc1->count(); ++j) {
const IceCandidateInterface* c1 = cc1->at(j);
const IceCandidateInterface* c2 = cc2->at(j);
EXPECT_EQ(c1->sdp_mid(), c2->sdp_mid());
EXPECT_EQ(c1->sdp_mline_index(), c2->sdp_mline_index());
EXPECT_TRUE(c1->candidate().IsEquivalent(c2->candidate()));
}
}
return true;
}
// Disable the ice-ufrag and ice-pwd in given |sdp| message by replacing
// them with invalid keywords so that the parser will just ignore them.
bool RemoveCandidateUfragPwd(std::string* sdp) {
const char ice_ufrag[] = "a=ice-ufrag";
const char ice_ufragx[] = "a=xice-ufrag";
const char ice_pwd[] = "a=ice-pwd";
const char ice_pwdx[] = "a=xice-pwd";
talk_base::replace_substrs(ice_ufrag, strlen(ice_ufrag),
ice_ufragx, strlen(ice_ufragx), sdp);
talk_base::replace_substrs(ice_pwd, strlen(ice_pwd),
ice_pwdx, strlen(ice_pwdx), sdp);
return true;
}
// Update the candidates in |jdesc| to use the given |ufrag| and |pwd|.
bool UpdateCandidateUfragPwd(JsepSessionDescription* jdesc, int mline_index,
const std::string& ufrag, const std::string& pwd) {
std::string content_name;
if (mline_index == 0) {
content_name = kAudioContentName;
} else if (mline_index == 1) {
content_name = kVideoContentName;
} else {
ASSERT(false);
}
TransportInfo transport_info(
content_name, TransportDescription(NS_JINGLE_ICE_UDP,
ufrag, pwd));
SessionDescription* desc =
const_cast<SessionDescription*>(jdesc->description());
desc->RemoveTransportInfoByName(content_name);
EXPECT_TRUE(desc->AddTransportInfo(transport_info));
for (size_t i = 0; i < jdesc_.number_of_mediasections(); ++i) {
const IceCandidateCollection* cc = jdesc_.candidates(i);
for (size_t j = 0; j < cc->count(); ++j) {
if (cc->at(j)->sdp_mline_index() == mline_index) {
const_cast<Candidate&>(cc->at(j)->candidate()).set_username(
ufrag);
const_cast<Candidate&>(cc->at(j)->candidate()).set_password(
pwd);
}
}
}
return true;
}
void AddIceOptions(const std::string& content_name,
const std::vector<std::string>& transport_options) {
ASSERT_TRUE(desc_.GetTransportInfoByName(content_name) != NULL);
cricket::TransportInfo transport_info =
*(desc_.GetTransportInfoByName(content_name));
desc_.RemoveTransportInfoByName(content_name);
transport_info.description.transport_options = transport_options;
desc_.AddTransportInfo(transport_info);
}
void AddFingerprint() {
desc_.RemoveTransportInfoByName(kAudioContentName);
desc_.RemoveTransportInfoByName(kVideoContentName);
talk_base::SSLFingerprint fingerprint(talk_base::DIGEST_SHA_1,
kIdentityDigest,
sizeof(kIdentityDigest));
EXPECT_TRUE(desc_.AddTransportInfo(
TransportInfo(kAudioContentName,
TransportDescription(NS_JINGLE_ICE_UDP,
std::vector<std::string>(),
kCandidateUfragVoice,
kCandidatePwdVoice,
cricket::ICEMODE_FULL,
cricket::CONNECTIONROLE_NONE,
&fingerprint, Candidates()))));
EXPECT_TRUE(desc_.AddTransportInfo(
TransportInfo(kVideoContentName,
TransportDescription(NS_JINGLE_ICE_UDP,
std::vector<std::string>(),
kCandidateUfragVideo,
kCandidatePwdVideo,
cricket::ICEMODE_FULL,
cricket::CONNECTIONROLE_NONE,
&fingerprint, Candidates()))));
}
void AddExtmap() {
audio_desc_ = static_cast<AudioContentDescription*>(
audio_desc_->Copy());
video_desc_ = static_cast<VideoContentDescription*>(
video_desc_->Copy());
audio_desc_->AddRtpHeaderExtension(
RtpHeaderExtension(kExtmapUri, kExtmapId));
video_desc_->AddRtpHeaderExtension(
RtpHeaderExtension(kExtmapUri, kExtmapId));
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_desc_);
desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_desc_);
}
void RemoveCryptos() {
audio_desc_->set_cryptos(std::vector<CryptoParams>());
video_desc_->set_cryptos(std::vector<CryptoParams>());
}
bool TestSerializeDirection(cricket::MediaContentDirection direction) {
audio_desc_->set_direction(direction);
video_desc_->set_direction(direction);
std::string new_sdp = kSdpFullString;
ReplaceDirection(direction, &new_sdp);
if (!jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
std::string message = webrtc::SdpSerialize(jdesc_);
EXPECT_EQ(new_sdp, message);
return true;
}
bool TestSerializeRejected(bool audio_rejected, bool video_rejected) {
audio_desc_ = static_cast<AudioContentDescription*>(
audio_desc_->Copy());
video_desc_ = static_cast<VideoContentDescription*>(
video_desc_->Copy());
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_rejected,
audio_desc_);
desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_rejected,
video_desc_);
std::string new_sdp = kSdpFullString;
ReplaceRejected(audio_rejected, video_rejected, &new_sdp);
if (!jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
std::string message = webrtc::SdpSerialize(jdesc_);
EXPECT_EQ(new_sdp, message);
return true;
}
void AddSctpDataChannel() {
talk_base::scoped_ptr<DataContentDescription> data(
new DataContentDescription());
data_desc_ = data.get();
data_desc_->set_protocol(cricket::kMediaProtocolDtlsSctp);
desc_.AddContent(kDataContentName, NS_JINGLE_DRAFT_SCTP, data.release());
EXPECT_TRUE(desc_.AddTransportInfo(
TransportInfo(kDataContentName,
TransportDescription(NS_JINGLE_ICE_UDP,
kCandidateUfragData,
kCandidatePwdData))));
}
void AddRtpDataChannel() {
talk_base::scoped_ptr<DataContentDescription> data(
new DataContentDescription());
data_desc_ = data.get();
data_desc_->AddCodec(DataCodec(101, "google-data", 1));
StreamParams data_stream;
data_stream.id = kDataChannelMsid;
data_stream.cname = kDataChannelCname;
data_stream.sync_label = kDataChannelLabel;
data_stream.ssrcs.push_back(kDataChannelSsrc);
data_desc_->AddStream(data_stream);
data_desc_->AddCrypto(CryptoParams(
1, "AES_CM_128_HMAC_SHA1_80",
"inline:FvLcvU2P3ZWmQxgPAgcDu7Zl9vftYElFOjEzhWs5", ""));
data_desc_->set_protocol(cricket::kMediaProtocolSavpf);
desc_.AddContent(kDataContentName, NS_JINGLE_RTP, data.release());
EXPECT_TRUE(desc_.AddTransportInfo(
TransportInfo(kDataContentName,
TransportDescription(NS_JINGLE_ICE_UDP,
kCandidateUfragData,
kCandidatePwdData))));
}
bool TestDeserializeDirection(cricket::MediaContentDirection direction) {
std::string new_sdp = kSdpFullString;
ReplaceDirection(direction, &new_sdp);
JsepSessionDescription new_jdesc(kDummyString);
EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc));
audio_desc_->set_direction(direction);
video_desc_->set_direction(direction);
if (!jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
EXPECT_TRUE(CompareSessionDescription(jdesc_, new_jdesc));
return true;
}
bool TestDeserializeRejected(bool audio_rejected, bool video_rejected) {
std::string new_sdp = kSdpFullString;
ReplaceRejected(audio_rejected, video_rejected, &new_sdp);
JsepSessionDescription new_jdesc(JsepSessionDescription::kOffer);
EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc));
audio_desc_ = static_cast<AudioContentDescription*>(
audio_desc_->Copy());
video_desc_ = static_cast<VideoContentDescription*>(
video_desc_->Copy());
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_rejected,
audio_desc_);
desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_rejected,
video_desc_);
if (!jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
EXPECT_TRUE(CompareSessionDescription(jdesc_, new_jdesc));
return true;
}
void TestDeserializeExtmap(bool session_level, bool media_level) {
AddExtmap();
JsepSessionDescription new_jdesc("dummy");
ASSERT_TRUE(new_jdesc.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
JsepSessionDescription jdesc_with_extmap("dummy");
std::string sdp_with_extmap = kSdpString;
if (session_level) {
InjectAfter(kSessionTime, kExtmapWithDirectionAndAttribute,
&sdp_with_extmap);
}
if (media_level) {
InjectAfter(kAttributeIcePwdVoice, kExtmapWithDirectionAndAttribute,
&sdp_with_extmap);
InjectAfter(kAttributeIcePwdVideo, kExtmapWithDirectionAndAttribute,
&sdp_with_extmap);
}
// The extmap can't be present at the same time in both session level and
// media level.
if (session_level && media_level) {
SdpParseError error;
EXPECT_FALSE(webrtc::SdpDeserialize(sdp_with_extmap,
&jdesc_with_extmap, &error));
EXPECT_NE(std::string::npos, error.description.find("a=extmap"));
} else {
EXPECT_TRUE(SdpDeserialize(sdp_with_extmap, &jdesc_with_extmap));
EXPECT_TRUE(CompareSessionDescription(jdesc_with_extmap, new_jdesc));
}
}
void VerifyCodecParameter(const cricket::CodecParameterMap& params,
const std::string& name, int expected_value) {
cricket::CodecParameterMap::const_iterator found = params.find(name);
ASSERT_TRUE(found != params.end());
EXPECT_EQ(found->second, talk_base::ToString<int>(expected_value));
}
void TestDeserializeCodecParams(const CodecParams& params,
JsepSessionDescription* jdesc_output) {
std::string sdp =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
// Include semantics for WebRTC Media Streams since it is supported by
// this parser, and will be added to the SDP when serializing a session
// description.
"a=msid-semantic: WMS\r\n"
// Pl type 111 preferred.
"m=audio 1 RTP/SAVPF 111 104 103 102\r\n"
// Pltype 111 listed before 103 and 104 in the map.
"a=rtpmap:111 opus/48000/2\r\n"
// Pltype 103 listed before 104.
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 CELT/32000/2\r\n"
"a=rtpmap:102 ISAC/32000/1\r\n"
"a=fmtp:111 0-15,66,70\r\n"
"a=fmtp:111 ";
std::ostringstream os;
os << "minptime=" << params.min_ptime
<< "; stereo=" << params.stereo
<< "; sprop-stereo=" << params.sprop_stereo
<< "; useinbandfec=" << params.useinband
<< " maxaveragebitrate=" << params.maxaveragebitrate << "\r\n"
<< "a=ptime:" << params.ptime << "\r\n"
<< "a=maxptime:" << params.max_ptime << "\r\n";
sdp += os.str();
// Deserialize
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, jdesc_output, &error));
const ContentInfo* ac = GetFirstAudioContent(jdesc_output->description());
ASSERT_TRUE(ac != NULL);
const AudioContentDescription* acd =
static_cast<const AudioContentDescription*>(ac->description);
ASSERT_FALSE(acd->codecs().empty());
cricket::AudioCodec opus = acd->codecs()[0];
EXPECT_EQ("opus", opus.name);
EXPECT_EQ(111, opus.id);
VerifyCodecParameter(opus.params, "minptime", params.min_ptime);
VerifyCodecParameter(opus.params, "stereo", params.stereo);
VerifyCodecParameter(opus.params, "sprop-stereo", params.sprop_stereo);
VerifyCodecParameter(opus.params, "useinbandfec", params.useinband);
VerifyCodecParameter(opus.params, "maxaveragebitrate",
params.maxaveragebitrate);
for (size_t i = 0; i < acd->codecs().size(); ++i) {
cricket::AudioCodec codec = acd->codecs()[i];
VerifyCodecParameter(codec.params, "ptime", params.ptime);
VerifyCodecParameter(codec.params, "maxptime", params.max_ptime);
if (codec.name == "ISAC") {
if (codec.clockrate == 16000) {
EXPECT_EQ(32000, codec.bitrate);
} else {
EXPECT_EQ(56000, codec.bitrate);
}
}
}
}
void TestDeserializeRtcpFb(JsepSessionDescription* jdesc_output,
bool use_wildcard) {
std::string sdp =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
// Include semantics for WebRTC Media Streams since it is supported by
// this parser, and will be added to the SDP when serializing a session
// description.
"a=msid-semantic: WMS\r\n"
"m=audio 1 RTP/SAVPF 111\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtcp-fb:111 nack\r\n"
"m=video 3457 RTP/SAVPF 101\r\n"
"a=rtpmap:101 VP8/90000\r\n"
"a=rtcp-fb:101 nack\r\n"
"a=rtcp-fb:101 goog-remb\r\n"
"a=rtcp-fb:101 ccm fir\r\n";
std::ostringstream os;
os << "a=rtcp-fb:" << (use_wildcard ? "*" : "101") << " ccm fir\r\n";
sdp += os.str();
// Deserialize
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, jdesc_output, &error));
const ContentInfo* ac = GetFirstAudioContent(jdesc_output->description());
ASSERT_TRUE(ac != NULL);
const AudioContentDescription* acd =
static_cast<const AudioContentDescription*>(ac->description);
ASSERT_FALSE(acd->codecs().empty());
cricket::AudioCodec opus = acd->codecs()[0];
EXPECT_EQ(111, opus.id);
EXPECT_TRUE(opus.HasFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty)));
const ContentInfo* vc = GetFirstVideoContent(jdesc_output->description());
ASSERT_TRUE(vc != NULL);
const VideoContentDescription* vcd =
static_cast<const VideoContentDescription*>(vc->description);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec vp8 = vcd->codecs()[0];
EXPECT_STREQ(webrtc::JsepSessionDescription::kDefaultVideoCodecName,
vp8.name.c_str());
EXPECT_EQ(101, vp8.id);
EXPECT_TRUE(vp8.HasFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty)));
EXPECT_TRUE(vp8.HasFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamRemb,
cricket::kParamValueEmpty)));
EXPECT_TRUE(vp8.HasFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamCcm,
cricket::kRtcpFbCcmParamFir)));
}
// Two SDP messages can mean the same thing but be different strings, e.g.
// some of the lines can be serialized in different order.
// However, a deserialized description can be compared field by field and has
// no order. If deserializer has already been tested, serializing then
// deserializing and comparing JsepSessionDescription will test
// the serializer sufficiently.
void TestSerialize(const JsepSessionDescription& jdesc) {
std::string message = webrtc::SdpSerialize(jdesc);
JsepSessionDescription jdesc_output_des(kDummyString);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(message, &jdesc_output_des, &error));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output_des));
}
protected:
SessionDescription desc_;
AudioContentDescription* audio_desc_;
VideoContentDescription* video_desc_;
DataContentDescription* data_desc_;
Candidates candidates_;
talk_base::scoped_ptr<IceCandidateInterface> jcandidate_;
JsepSessionDescription jdesc_;
};
void TestMismatch(const std::string& string1, const std::string& string2) {
int position = 0;
for (size_t i = 0; i < string1.length() && i < string2.length(); ++i) {
if (string1.c_str()[i] != string2.c_str()[i]) {
position = static_cast<int>(i);
break;
}
}
EXPECT_EQ(0, position) << "Strings mismatch at the " << position
<< " character\n"
<< " 1: " << string1.substr(position, 20) << "\n"
<< " 2: " << string2.substr(position, 20) << "\n";
}
std::string GetLine(const std::string& message,
const std::string& session_description_name) {
size_t start = message.find(session_description_name);
if (std::string::npos == start) {
return "";
}
size_t stop = message.find("\r\n", start);
if (std::string::npos == stop) {
return "";
}
if (stop <= start) {
return "";
}
return message.substr(start, stop - start);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescription) {
// SessionDescription with desc and candidates.
std::string message = webrtc::SdpSerialize(jdesc_);
TestMismatch(std::string(kSdpFullString), message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionEmpty) {
JsepSessionDescription jdesc_empty(kDummyString);
EXPECT_EQ("", webrtc::SdpSerialize(jdesc_empty));
}
// This tests serialization of SDP with a=crypto and a=fingerprint, as would be
// the case in a DTLS offer.
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithFingerprint) {
AddFingerprint();
JsepSessionDescription jdesc_with_fingerprint(kDummyString);
ASSERT_TRUE(jdesc_with_fingerprint.Initialize(desc_.Copy(),
kSessionId, kSessionVersion));
std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint);
std::string sdp_with_fingerprint = kSdpString;
InjectAfter(kAttributeIcePwdVoice,
kFingerprint, &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVideo,
kFingerprint, &sdp_with_fingerprint);
EXPECT_EQ(sdp_with_fingerprint, message);
}
// This tests serialization of SDP with a=fingerprint with no a=crypto, as would
// be the case in a DTLS answer.
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithFingerprintNoCryptos) {
AddFingerprint();
RemoveCryptos();
JsepSessionDescription jdesc_with_fingerprint(kDummyString);
ASSERT_TRUE(jdesc_with_fingerprint.Initialize(desc_.Copy(),
kSessionId, kSessionVersion));
std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint);
std::string sdp_with_fingerprint = kSdpString;
Replace(kAttributeCryptoVoice, "", &sdp_with_fingerprint);
Replace(kAttributeCryptoVideo, "", &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVoice,
kFingerprint, &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVideo,
kFingerprint, &sdp_with_fingerprint);
EXPECT_EQ(sdp_with_fingerprint, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithoutCandidates) {
// JsepSessionDescription with desc but without candidates.
JsepSessionDescription jdesc_no_candidates(kDummyString);
ASSERT_TRUE(jdesc_no_candidates.Initialize(desc_.Copy(),
kSessionId, kSessionVersion));
std::string message = webrtc::SdpSerialize(jdesc_no_candidates);
EXPECT_EQ(std::string(kSdpString), message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBundle) {
ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
group.AddContentName(kAudioContentName);
group.AddContentName(kVideoContentName);
desc_.AddGroup(group);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_bundle = kSdpFullString;
InjectAfter(kSessionTime,
"a=group:BUNDLE audio_content_name video_content_name\r\n",
&sdp_with_bundle);
EXPECT_EQ(sdp_with_bundle, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBandwidth) {
VideoContentDescription* vcd = static_cast<VideoContentDescription*>(
GetFirstVideoContent(&desc_)->description);
vcd->set_bandwidth(100 * 1000);
AudioContentDescription* acd = static_cast<AudioContentDescription*>(
GetFirstAudioContent(&desc_)->description);
acd->set_bandwidth(50 * 1000);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_bandwidth = kSdpFullString;
InjectAfter("a=mid:video_content_name\r\na=sendrecv\r\n",
"b=AS:100\r\n",
&sdp_with_bandwidth);
InjectAfter("a=mid:audio_content_name\r\na=sendrecv\r\n",
"b=AS:50\r\n",
&sdp_with_bandwidth);
EXPECT_EQ(sdp_with_bandwidth, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithIceOptions) {
std::vector<std::string> transport_options;
transport_options.push_back(kIceOption1);
transport_options.push_back(kIceOption3);
AddIceOptions(kAudioContentName, transport_options);
transport_options.clear();
transport_options.push_back(kIceOption2);
transport_options.push_back(kIceOption3);
AddIceOptions(kVideoContentName, transport_options);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_ice_options = kSdpFullString;
InjectAfter(kAttributeIcePwdVoice,
"a=ice-options:iceoption1 iceoption3\r\n",
&sdp_with_ice_options);
InjectAfter(kAttributeIcePwdVideo,
"a=ice-options:iceoption2 iceoption3\r\n",
&sdp_with_ice_options);
EXPECT_EQ(sdp_with_ice_options, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithRecvOnlyContent) {
EXPECT_TRUE(TestSerializeDirection(cricket::MD_RECVONLY));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSendOnlyContent) {
EXPECT_TRUE(TestSerializeDirection(cricket::MD_SENDONLY));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithInactiveContent) {
EXPECT_TRUE(TestSerializeDirection(cricket::MD_INACTIVE));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithAudioRejected) {
EXPECT_TRUE(TestSerializeRejected(true, false));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithVideoRejected) {
EXPECT_TRUE(TestSerializeRejected(false, true));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithAudioVideoRejected) {
EXPECT_TRUE(TestSerializeRejected(true, true));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithRtpDataChannel) {
AddRtpDataChannel();
JsepSessionDescription jsep_desc(kDummyString);
ASSERT_TRUE(jsep_desc.Initialize(desc_.Copy(), kSessionId, kSessionVersion));
std::string message = webrtc::SdpSerialize(jsep_desc);
std::string expected_sdp = kSdpString;
expected_sdp.append(kSdpRtpDataChannelString);
EXPECT_EQ(expected_sdp, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSctpDataChannel) {
AddSctpDataChannel();
JsepSessionDescription jsep_desc(kDummyString);
ASSERT_TRUE(jsep_desc.Initialize(desc_.Copy(), kSessionId, kSessionVersion));
std::string message = webrtc::SdpSerialize(jsep_desc);
std::string expected_sdp = kSdpString;
expected_sdp.append(kSdpSctpDataChannelString);
EXPECT_EQ(message, expected_sdp);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmap) {
AddExtmap();
JsepSessionDescription desc_with_extmap("dummy");
ASSERT_TRUE(desc_with_extmap.Initialize(desc_.Copy(),
kSessionId, kSessionVersion));
std::string message = webrtc::SdpSerialize(desc_with_extmap);
std::string sdp_with_extmap = kSdpString;
InjectAfter("a=mid:audio_content_name\r\n",
kExtmap, &sdp_with_extmap);
InjectAfter("a=mid:video_content_name\r\n",
kExtmap, &sdp_with_extmap);
EXPECT_EQ(sdp_with_extmap, message);
}
TEST_F(WebRtcSdpTest, SerializeCandidates) {
std::string message = webrtc::SdpSerializeCandidate(*jcandidate_);
EXPECT_EQ(std::string(kSdpOneCandidate), message);
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescription) {
JsepSessionDescription jdesc(kDummyString);
// Deserialize
EXPECT_TRUE(SdpDeserialize(kSdpFullString, &jdesc));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCarriageReturn) {
JsepSessionDescription jdesc(kDummyString);
std::string sdp_without_carriage_return = kSdpFullString;
Replace("\r\n", "\n", &sdp_without_carriage_return);
// Deserialize
EXPECT_TRUE(SdpDeserialize(sdp_without_carriage_return, &jdesc));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCandidates) {
// SessionDescription with desc but without candidates.
JsepSessionDescription jdesc_no_candidates(kDummyString);
ASSERT_TRUE(jdesc_no_candidates.Initialize(desc_.Copy(),
kSessionId, kSessionVersion));
JsepSessionDescription new_jdesc(kDummyString);
EXPECT_TRUE(SdpDeserialize(kSdpString, &new_jdesc));
EXPECT_TRUE(CompareSessionDescription(jdesc_no_candidates, new_jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutRtpmap) {
static const char kSdpNoRtpmapString[] =
"v=0\r\n"
"o=- 11 22 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 49232 RTP/AVP 0 18 103\r\n"
// Codec that doesn't appear in the m= line will be ignored.
"a=rtpmap:104 CELT/32000/2\r\n"
// The rtpmap line for static payload codec is optional.
"a=rtpmap:18 G729/16000\r\n"
"a=rtpmap:103 ISAC/16000\r\n";
JsepSessionDescription jdesc(kDummyString);
EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc));
cricket::AudioContentDescription* audio =
static_cast<AudioContentDescription*>(
jdesc.description()->GetContentDescriptionByName(cricket::CN_AUDIO));
AudioCodecs ref_codecs;
// The codecs in the AudioContentDescription will be sorted by preference.
ref_codecs.push_back(AudioCodec(0, "PCMU", 8000, 0, 1, 3));
ref_codecs.push_back(AudioCodec(18, "G729", 16000, 0, 1, 2));
ref_codecs.push_back(AudioCodec(103, "ISAC", 16000, 32000, 1, 1));
EXPECT_EQ(ref_codecs, audio->codecs());
}
// Ensure that we can deserialize SDP with a=fingerprint properly.
TEST_F(WebRtcSdpTest, DeserializeJsepSessionDescriptionWithFingerprint) {
// Add a DTLS a=fingerprint attribute to our session description.
AddFingerprint();
JsepSessionDescription new_jdesc(kDummyString);
ASSERT_TRUE(new_jdesc.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
JsepSessionDescription jdesc_with_fingerprint(kDummyString);
std::string sdp_with_fingerprint = kSdpString;
InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
EXPECT_TRUE(SdpDeserialize(sdp_with_fingerprint, &jdesc_with_fingerprint));
EXPECT_TRUE(CompareSessionDescription(jdesc_with_fingerprint, new_jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBundle) {
JsepSessionDescription jdesc_with_bundle(kDummyString);
std::string sdp_with_bundle = kSdpFullString;
InjectAfter(kSessionTime,
"a=group:BUNDLE audio_content_name video_content_name\r\n",
&sdp_with_bundle);
EXPECT_TRUE(SdpDeserialize(sdp_with_bundle, &jdesc_with_bundle));
ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
group.AddContentName(kAudioContentName);
group.AddContentName(kVideoContentName);
desc_.AddGroup(group);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bundle));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBandwidth) {
JsepSessionDescription jdesc_with_bandwidth(kDummyString);
std::string sdp_with_bandwidth = kSdpFullString;
InjectAfter("a=mid:video_content_name\r\na=sendrecv\r\n",
"b=AS:100\r\n",
&sdp_with_bandwidth);
InjectAfter("a=mid:audio_content_name\r\na=sendrecv\r\n",
"b=AS:50\r\n",
&sdp_with_bandwidth);
EXPECT_TRUE(
SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
VideoContentDescription* vcd = static_cast<VideoContentDescription*>(
GetFirstVideoContent(&desc_)->description);
vcd->set_bandwidth(100 * 1000);
AudioContentDescription* acd = static_cast<AudioContentDescription*>(
GetFirstAudioContent(&desc_)->description);
acd->set_bandwidth(50 * 1000);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bandwidth));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithIceOptions) {
JsepSessionDescription jdesc_with_ice_options(kDummyString);
std::string sdp_with_ice_options = kSdpFullString;
InjectAfter(kSessionTime,
"a=ice-options:iceoption3\r\n",
&sdp_with_ice_options);
InjectAfter(kAttributeIcePwdVoice,
"a=ice-options:iceoption1\r\n",
&sdp_with_ice_options);
InjectAfter(kAttributeIcePwdVideo,
"a=ice-options:iceoption2\r\n",
&sdp_with_ice_options);
EXPECT_TRUE(SdpDeserialize(sdp_with_ice_options, &jdesc_with_ice_options));
std::vector<std::string> transport_options;
transport_options.push_back(kIceOption3);
transport_options.push_back(kIceOption1);
AddIceOptions(kAudioContentName, transport_options);
transport_options.clear();
transport_options.push_back(kIceOption3);
transport_options.push_back(kIceOption2);
AddIceOptions(kVideoContentName, transport_options);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_ice_options));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithUfragPwd) {
// Remove the original ice-ufrag and ice-pwd
JsepSessionDescription jdesc_with_ufrag_pwd(kDummyString);
std::string sdp_with_ufrag_pwd = kSdpFullString;
EXPECT_TRUE(RemoveCandidateUfragPwd(&sdp_with_ufrag_pwd));
// Add session level ufrag and pwd
InjectAfter(kSessionTime,
"a=ice-pwd:session+level+icepwd\r\n"
"a=ice-ufrag:session+level+iceufrag\r\n",
&sdp_with_ufrag_pwd);
// Add media level ufrag and pwd for audio
InjectAfter("a=mid:audio_content_name\r\n",
"a=ice-pwd:media+level+icepwd\r\na=ice-ufrag:media+level+iceufrag\r\n",
&sdp_with_ufrag_pwd);
// Update the candidate ufrag and pwd to the expected ones.
EXPECT_TRUE(UpdateCandidateUfragPwd(&jdesc_, 0,
"media+level+iceufrag", "media+level+icepwd"));
EXPECT_TRUE(UpdateCandidateUfragPwd(&jdesc_, 1,
"session+level+iceufrag", "session+level+icepwd"));
EXPECT_TRUE(SdpDeserialize(sdp_with_ufrag_pwd, &jdesc_with_ufrag_pwd));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_ufrag_pwd));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRecvOnlyContent) {
EXPECT_TRUE(TestDeserializeDirection(cricket::MD_RECVONLY));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithSendOnlyContent) {
EXPECT_TRUE(TestDeserializeDirection(cricket::MD_SENDONLY));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithInactiveContent) {
EXPECT_TRUE(TestDeserializeDirection(cricket::MD_INACTIVE));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedAudio) {
EXPECT_TRUE(TestDeserializeRejected(true, false));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedVideo) {
EXPECT_TRUE(TestDeserializeRejected(false, true));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedAudioVideo) {
EXPECT_TRUE(TestDeserializeRejected(true, true));
}
// Tests that we can still handle the sdp uses mslabel and label instead of
// msid for backward compatibility.
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutMsid) {
JsepSessionDescription jdesc(kDummyString);
std::string sdp_without_msid = kSdpFullString;
Replace("msid", "xmsid", &sdp_without_msid);
// Deserialize
EXPECT_TRUE(SdpDeserialize(sdp_without_msid, &jdesc));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeCandidate) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
std::string sdp = kSdpOneCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
// Candidate line without generation extension.
sdp = kSdpOneCandidate;
Replace(" generation 2", "", &sdp);
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
Candidate expected = jcandidate_->candidate();
expected.set_generation(0);
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
// Multiple candidate lines.
// Only the first line will be deserialized. The rest will be ignored.
sdp = kSdpOneCandidate;
sdp.append("a=candidate:1 2 tcp 1234 192.168.1.100 5678 typ host\r\n");
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
}
// This test verifies the deserialization of candidate-attribute
// as per RFC 5245. Candiate-attribute will be of the format
// candidate:<blah>. This format will be used when candidates
// are trickled.
TEST_F(WebRtcSdpTest, DeserializeRawCandidateAttribute) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
std::string candidate_attribute = kRawCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
EXPECT_EQ(2u, jcandidate.candidate().generation());
// Candidate line without generation extension.
candidate_attribute = kRawCandidate;
Replace(" generation 2", "", &candidate_attribute);
EXPECT_TRUE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
Candidate expected = jcandidate_->candidate();
expected.set_generation(0);
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
// Candidate line without candidate:
candidate_attribute = kRawCandidate;
Replace("candidate:", "", &candidate_attribute);
EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
// Concatenating additional candidate. Expecting deserialization to fail.
candidate_attribute = kRawCandidate;
candidate_attribute.append("candidate:1 2 udp 1234 192.168.1.1 typ host");
EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithRtpDataChannels) {
AddRtpDataChannel();
JsepSessionDescription jdesc(kDummyString);
ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpRtpDataChannelString);
JsepSessionDescription jdesc_output(kDummyString);
// Deserialize
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannels) {
AddSctpDataChannel();
JsepSessionDescription jdesc(kDummyString);
ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelString);
JsepSessionDescription jdesc_output(kDummyString);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithSessionLevelExtmap) {
TestDeserializeExtmap(true, false);
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithMediaLevelExtmap) {
TestDeserializeExtmap(false, true);
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithInvalidExtmap) {
TestDeserializeExtmap(true, true);
}
TEST_F(WebRtcSdpTest, DeserializeCandidateWithDifferentTransport) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
std::string new_sdp = kSdpOneCandidate;
Replace("udp", "unsupported_transport", &new_sdp);
EXPECT_FALSE(SdpDeserializeCandidate(new_sdp, &jcandidate));
new_sdp = kSdpOneCandidate;
Replace("udp", "uDP", &new_sdp);
EXPECT_TRUE(SdpDeserializeCandidate(new_sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
}
TEST_F(WebRtcSdpTest, DeserializeCandidateOldFormat) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
EXPECT_TRUE(SdpDeserializeCandidate(kSdpOneCandidateOldFormat,&jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
Candidate ref_candidate = jcandidate_->candidate();
ref_candidate.set_username("user_rtp");
ref_candidate.set_password("password_rtp");
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(ref_candidate));
}
TEST_F(WebRtcSdpTest, DeserializeBrokenSdp) {
const char kSdpDestroyer[] = "!@#$%^&";
const char kSdpInvalidLine1[] = " =candidate";
const char kSdpInvalidLine2[] = "a+candidate";
const char kSdpInvalidLine3[] = "a= candidate";
// Broken fingerprint.
const char kSdpInvalidLine4[] = "a=fingerprint:sha-1 "
"4AAD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB";
// Extra field.
const char kSdpInvalidLine5[] = "a=fingerprint:sha-1 "
"4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB XXX";
// Missing space.
const char kSdpInvalidLine6[] = "a=fingerprint:sha-1"
"4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB";
// Broken session description
ReplaceAndTryToParse("v=", kSdpDestroyer);
ReplaceAndTryToParse("o=", kSdpDestroyer);
ReplaceAndTryToParse("s=-", kSdpDestroyer);
// Broken time description
ReplaceAndTryToParse("t=", kSdpDestroyer);
// Broken media description
ReplaceAndTryToParse("m=video", kSdpDestroyer);
// Invalid lines
ReplaceAndTryToParse("a=candidate", kSdpInvalidLine1);
ReplaceAndTryToParse("a=candidate", kSdpInvalidLine2);
ReplaceAndTryToParse("a=candidate", kSdpInvalidLine3);
// Bogus fingerprint replacing a=sendrev. We selected this attribute
// because it's orthogonal to what we are replacing and hence
// safe.
ReplaceAndTryToParse("a=sendrecv", kSdpInvalidLine4);
ReplaceAndTryToParse("a=sendrecv", kSdpInvalidLine5);
ReplaceAndTryToParse("a=sendrecv", kSdpInvalidLine6);
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithReorderedPltypes) {
JsepSessionDescription jdesc_output(kDummyString);
const char kSdpWithReorderedPlTypesString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 1 RTP/SAVPF 104 103\r\n" // Pl type 104 preferred.
"a=rtpmap:111 opus/48000/2\r\n" // Pltype 111 listed before 103 and 104
// in the map.
"a=rtpmap:103 ISAC/16000\r\n" // Pltype 103 listed before 104 in the map.
"a=rtpmap:104 CELT/32000/2\r\n";
// Deserialize
EXPECT_TRUE(SdpDeserialize(kSdpWithReorderedPlTypesString, &jdesc_output));
const ContentInfo* ac = GetFirstAudioContent(jdesc_output.description());
ASSERT_TRUE(ac != NULL);
const AudioContentDescription* acd =
static_cast<const AudioContentDescription*>(ac->description);
ASSERT_FALSE(acd->codecs().empty());
EXPECT_EQ("CELT", acd->codecs()[0].name);
EXPECT_EQ(104, acd->codecs()[0].id);
}
TEST_F(WebRtcSdpTest, DeserializeSerializeCodecParams) {
JsepSessionDescription jdesc_output(kDummyString);
CodecParams params;
params.max_ptime = 40;
params.ptime = 30;
params.min_ptime = 10;
params.sprop_stereo = 1;
params.stereo = 1;
params.useinband = 1;
params.maxaveragebitrate = 128000;
TestDeserializeCodecParams(params, &jdesc_output);
TestSerialize(jdesc_output);
}
TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFb) {
const bool kUseWildcard = false;
JsepSessionDescription jdesc_output(kDummyString);
TestDeserializeRtcpFb(&jdesc_output, kUseWildcard);
TestSerialize(jdesc_output);
}
TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFbWildcard) {
const bool kUseWildcard = true;
JsepSessionDescription jdesc_output(kDummyString);
TestDeserializeRtcpFb(&jdesc_output, kUseWildcard);
TestSerialize(jdesc_output);
}
TEST_F(WebRtcSdpTest, DeserializeVideoFmtp) {
JsepSessionDescription jdesc_output(kDummyString);
const char kSdpWithFmtpString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=fmtp:120 x-google-min-bitrate=10; x-google-max-quantization=40\r\n";
// Deserialize
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output,
&error));
const ContentInfo* vc = GetFirstVideoContent(jdesc_output.description());
ASSERT_TRUE(vc != NULL);
const VideoContentDescription* vcd =
static_cast<const VideoContentDescription*>(vc->description);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec vp8 = vcd->codecs()[0];
EXPECT_EQ("VP8", vp8.name);
EXPECT_EQ(120, vp8.id);
cricket::CodecParameterMap::iterator found =
vp8.params.find("x-google-min-bitrate");
ASSERT_TRUE(found != vp8.params.end());
EXPECT_EQ(found->second, "10");
found = vp8.params.find("x-google-max-quantization");
ASSERT_TRUE(found != vp8.params.end());
EXPECT_EQ(found->second, "40");
}
TEST_F(WebRtcSdpTest, SerializeVideoFmtp) {
VideoContentDescription* vcd = static_cast<VideoContentDescription*>(
GetFirstVideoContent(&desc_)->description);
cricket::VideoCodecs codecs = vcd->codecs();
codecs[0].params["x-google-min-bitrate"] = "10";
vcd->set_codecs(codecs);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_fmtp = kSdpFullString;
InjectAfter("a=rtpmap:120 VP8/90000\r\n",
"a=fmtp:120 x-google-min-bitrate=10\r\n",
&sdp_with_fmtp);
EXPECT_EQ(sdp_with_fmtp, message);
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithIceLite) {
JsepSessionDescription jdesc_with_icelite(kDummyString);
std::string sdp_with_icelite = kSdpFullString;
EXPECT_TRUE(SdpDeserialize(sdp_with_icelite, &jdesc_with_icelite));
cricket::SessionDescription* desc = jdesc_with_icelite.description();
const cricket::TransportInfo* tinfo1 =
desc->GetTransportInfoByName("audio_content_name");
EXPECT_EQ(cricket::ICEMODE_FULL, tinfo1->description.ice_mode);
const cricket::TransportInfo* tinfo2 =
desc->GetTransportInfoByName("video_content_name");
EXPECT_EQ(cricket::ICEMODE_FULL, tinfo2->description.ice_mode);
InjectAfter(kSessionTime,
"a=ice-lite\r\n",
&sdp_with_icelite);
EXPECT_TRUE(SdpDeserialize(sdp_with_icelite, &jdesc_with_icelite));
desc = jdesc_with_icelite.description();
const cricket::TransportInfo* atinfo =
desc->GetTransportInfoByName("audio_content_name");
EXPECT_EQ(cricket::ICEMODE_LITE, atinfo->description.ice_mode);
const cricket::TransportInfo* vtinfo =
desc->GetTransportInfoByName("video_content_name");
EXPECT_EQ(cricket::ICEMODE_LITE, vtinfo->description.ice_mode);
}
// Verifies that the candidates in the input SDP are parsed and serialized
// correctly in the output SDP.
TEST_F(WebRtcSdpTest, RoundTripSdpWithSctpDataChannelsWithCandidates) {
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelWithCandidatesString);
JsepSessionDescription jdesc_output(kDummyString);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_EQ(sdp_with_data, webrtc::SdpSerialize(jdesc_output));
}
TEST_F(WebRtcSdpTest, SerializeDtlsSetupAttribute) {
AddFingerprint();
TransportInfo audio_transport_info =
*(desc_.GetTransportInfoByName(kAudioContentName));
EXPECT_EQ(cricket::CONNECTIONROLE_NONE,
audio_transport_info.description.connection_role);
audio_transport_info.description.connection_role =
cricket::CONNECTIONROLE_ACTIVE;
TransportInfo video_transport_info =
*(desc_.GetTransportInfoByName(kVideoContentName));
EXPECT_EQ(cricket::CONNECTIONROLE_NONE,
video_transport_info.description.connection_role);
video_transport_info.description.connection_role =
cricket::CONNECTIONROLE_ACTIVE;
desc_.RemoveTransportInfoByName(kAudioContentName);
desc_.RemoveTransportInfoByName(kVideoContentName);
desc_.AddTransportInfo(audio_transport_info);
desc_.AddTransportInfo(video_transport_info);
ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(),
jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_dtlssetup = kSdpFullString;
// Fingerprint attribute is necessary to add DTLS setup attribute.
InjectAfter(kAttributeIcePwdVoice,
kFingerprint, &sdp_with_dtlssetup);
InjectAfter(kAttributeIcePwdVideo,
kFingerprint, &sdp_with_dtlssetup);
// Now adding |setup| attribute.
InjectAfter(kFingerprint,
"a=setup:active\r\n", &sdp_with_dtlssetup);
EXPECT_EQ(sdp_with_dtlssetup, message);
}
TEST_F(WebRtcSdpTest, DeserializeDtlsSetupAttribute) {
JsepSessionDescription jdesc_with_dtlssetup(kDummyString);
std::string sdp_with_dtlssetup = kSdpFullString;
InjectAfter(kSessionTime,
"a=setup:actpass\r\n",
&sdp_with_dtlssetup);
EXPECT_TRUE(SdpDeserialize(sdp_with_dtlssetup, &jdesc_with_dtlssetup));
cricket::SessionDescription* desc = jdesc_with_dtlssetup.description();
const cricket::TransportInfo* atinfo =
desc->GetTransportInfoByName("audio_content_name");
EXPECT_EQ(cricket::CONNECTIONROLE_ACTPASS,
atinfo->description.connection_role);
const cricket::TransportInfo* vtinfo =
desc->GetTransportInfoByName("video_content_name");
EXPECT_EQ(cricket::CONNECTIONROLE_ACTPASS,
vtinfo->description.connection_role);
}